public works crews are building up dunes to protect new jersey's battered shoreline and governor chris christie has ordered more shelters opened just in case. he says this nor'easter is the last thing people in new jersey need, but is he confident they will get through it. >> when i finally got that final kind of forecast that i got last night, i said i'm waiting for the locusts and pestilence next. so we're getting ready for another storm. >> some jersey shore communities are under mandatory evacuation orders and the governor warns people who just got their electricity back on in the past couple days just might lose it again to this storm. >>> the airlines are reacting already cancelling hundreds of flights and issuing travel waivers for others ahead of this next storm and while you might think that's out of an abundance of caution, that is only part of the story. it turns out that sandy damaged the instrument landing systems based in new york and new jersey that help planes navigate their landings in low visibility. so on bad weather days you can expect cancellations and delays in that region